ES2307734T3 - Sistema de descifre de ordenes y metodo de descifre de ordenes y programa. - Google Patents

Sistema de descifre de ordenes y metodo de descifre de ordenes y programa. Download PDF

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Publication number
ES2307734T3
ES2307734T3 ES02711464T ES02711464T ES2307734T3 ES 2307734 T3 ES2307734 T3 ES 2307734T3 ES 02711464 T ES02711464 T ES 02711464T ES 02711464 T ES02711464 T ES 02711464T ES 2307734 T3 ES2307734 T3 ES 2307734T3
Authority
ES
Spain
Prior art keywords
data
list
encrypted
management center
decryption
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES02711464T
Other languages
English (en)
Spanish (es)
Inventor
Kazue c/o NEC Corporation SAKO
Kengo c/o NEC Corporation MORI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of ES2307734T3 publication Critical patent/ES2307734T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3263—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • H04L9/3066—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves
    • H04L9/3073—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves involving pairings, e.g. identity based encryption [IBE], bilinear mappings or bilinear pairings, e.g. Weil or Tate pairing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/42—Anonymization, e.g. involving pseudonyms

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Algebra (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Storage Device Security (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Computer And Data Communications (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Executing Machine-Instructions (AREA)
ES02711464T 2001-02-13 2002-02-12 Sistema de descifre de ordenes y metodo de descifre de ordenes y programa. Expired - Lifetime ES2307734T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001-35030 2001-02-13
JP2001035030A JP3788246B2 (ja) 2001-02-13 2001-02-13 匿名復号システム及び匿名復号方法

Publications (1)

Publication Number Publication Date
ES2307734T3 true ES2307734T3 (es) 2008-12-01

Family

ID=18898536

Family Applications (1)

Application Number Title Priority Date Filing Date
ES02711464T Expired - Lifetime ES2307734T3 (es) 2001-02-13 2002-02-12 Sistema de descifre de ordenes y metodo de descifre de ordenes y programa.

Country Status (8)

Country Link
US (1) US7376833B2 (de)
EP (1) EP1361693B1 (de)
JP (1) JP3788246B2 (de)
AT (1) ATE402534T1 (de)
CA (1) CA2441496C (de)
DE (1) DE60227781D1 (de)
ES (1) ES2307734T3 (de)
WO (1) WO2002065695A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3901471B2 (ja) * 2001-05-18 2007-04-04 日本電気株式会社 証明付シャッフル復号システムと証明付シャッフル復号方法、シャッフル復号検証方法
EP1710949A4 (de) 2004-01-26 2010-04-21 Nec Corp Anonymes elektronisches wahlsystem und anonymes elektronisches wahlverfahren
WO2005071640A1 (ja) * 2004-01-26 2005-08-04 Nec Corporation 多数の入力から関数を計算する方法および装置
US8005211B2 (en) 2005-02-28 2011-08-23 Nec Corporation Shuffle-decrypting legitimacy certifying apparatus and method, shuffle-decrypting verifying apparatus and method, program, and recording medium
JP4771053B2 (ja) * 2005-05-27 2011-09-14 日本電気株式会社 統合シャッフル正当性証明装置、証明統合装置、統合シャッフル正当性検証装置及びミックスネットシステム
US8061589B2 (en) * 2006-10-20 2011-11-22 Barry Cohen Electronic voting system
WO2009014215A1 (ja) * 2007-07-26 2009-01-29 Nec Corporation 集計システム、復号結果の開示方法及びプログラム
JP5369744B2 (ja) 2009-02-13 2013-12-18 三菱電機株式会社 情報収集システム、端末装置、情報収集用プログラム、端末用プログラム
US8488783B2 (en) * 2010-02-19 2013-07-16 Nokia Method and apparatus for applying recipient criteria in identity-based encryption
JP5498406B2 (ja) * 2011-01-21 2014-05-21 日本電信電話株式会社 マッチングシステム、マッチングシステムの方法
US9608813B1 (en) * 2013-06-13 2017-03-28 Amazon Technologies, Inc. Key rotation techniques
CN103780382B (zh) * 2014-01-13 2017-01-18 华南理工大学 一种基于超球面的多变量公钥加密/解密系统及方法
JP7121195B2 (ja) 2020-02-14 2022-08-17 グーグル エルエルシー セキュアマルチパーティリーチおよび頻度推定

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5682430A (en) 1995-01-23 1997-10-28 Nec Research Institute, Inc. Secure anonymous message transfer and voting scheme
JP2773737B2 (ja) 1996-04-19 1998-07-09 日本電気株式会社 集計結果分析システム
US6049613A (en) * 1997-03-07 2000-04-11 Jakobsson; Markus Method and apparatus for encrypting, decrypting, and providing privacy for data values
US6570989B1 (en) * 1998-04-27 2003-05-27 Matsushita Electric Industrial Co., Ltd. Cryptographic processing apparatus, cryptographic processing method, and storage medium storing cryptographic processing program for realizing high-speed cryptographic processing without impairing security
EP1054527B1 (de) * 1999-05-19 2010-08-18 Nippon Telegraph And Telephone Corporation Prüfbarer anonymer Kanal
CA2404161C (en) * 2000-03-24 2006-05-23 Votehere, Inc. Verifiable, secret shuffles of encrypted data, such as elgamal encrypteddata for secure multi-authority elections

Also Published As

Publication number Publication date
US7376833B2 (en) 2008-05-20
EP1361693A1 (de) 2003-11-12
JP2002237810A (ja) 2002-08-23
DE60227781D1 (de) 2008-09-04
ATE402534T1 (de) 2008-08-15
CA2441496C (en) 2007-07-17
WO2002065695A1 (en) 2002-08-22
US20040114763A1 (en) 2004-06-17
EP1361693A4 (de) 2006-09-06
EP1361693B1 (de) 2008-07-23
JP3788246B2 (ja) 2006-06-21
CA2441496A1 (en) 2002-08-22

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